| MATERIAL | STEEL COMP 4140 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND |
| 40.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 82 |
| TEETH TYPE | SPUR |
| TOOTH FORM | STUB |
| PRESSURE ANGLE | 20.0000 DEGREES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 |
| STYLE DESIGNATOR | FLANGED RING |
| PITCH DIAMETER | 6.8333 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 1.000 INCHES |
| FLANGE NOMINAL DIAMETER | 10.500 INCHES |
| NOMINAL OUTSIDE DIAMETER | 7.750 INCHES |
| FLANGE NOMINAL THICKNESS | 0.312 INCHES |
| BODY STYLE | PLAIN, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 10 PLAIN AXIALLY THROUGH FLANGE |
| MOUNTING HOLE NOMINAL DIAMETER | 0.374 INCHES AXIALLY THROUGH FLANGE |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 9.250 INCHES AXIALLY THROUGH FLANGE |